Shapley value

Etymology
Named in honour of Lloyd Shapley, who introduced it in 1953.

Noun

 * 1)  A real number determined for the player i as
 * $$\phi_i(v)=\sum_{S \subseteq N \setminus \{i\}} \frac{|S|!\; (n-|S|-1)!}{n!}(v(S\cup\{i\})-v(S))$$,
 * given a coalitional game with a set N of n players and a worth function $$ v \; : \; \mathcal{P}(N) \; \to \Re $$.

Translations

 * Czech: Shapleyho hodnota